99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5

Model NO.
CAS 139-85-5
Colour
Transparent
Storage
Yes
Purity
99%
MW
92.14
Sample
Support
Grade Standard
Industrial Grade
Transport Package
Bag
Specification
25kg
Trademark
Future Chemical
Origin
China
Production Capacity
1000ton
Reference Price
$ 18.00 - 45.00

Product Description

99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5

 

 
 
 
 
 
Protocatechualdehyde Basic information  
Product Name: Protocatechualdehyde
CAS: 139-85-5
MF: C7H6O3
MW: 138.12
EINECS: 205-377-7
Protocatechualdehyde Chemical Properties  
Melting point  150-157 °C(lit.)
Boiling point  213.5°C (rough estimate)
density  1.2667 (rough estimate)
refractive index  1.4600 (estimate)
storage temp.  Store below +30°C.
solubility  6.3g/l
pka pK (25°) 7.55
form  Crystalline Powder
color  slightly brown
Water Solubility  50 g/L (20 ºC)
Sensitive  Air Sensitive
Merck  147,893
BRN  774381
Items Specifications
Appearance off-white to pale grey Powder
Purity 98% min
Melting Point 150-157 °C(lit.)
Density 1.2667 (rough estimate)
 
Product Categories

 

 
 
 

 

 

99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5

 
Company Profile
99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5
99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5
 
Packaging & Shipping
99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5
99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5
99% Purity Antibiotics Fragrance Synthesis Protocatechualdehyde for Spices Synthesis CAS 139-85-5

Packaging:  According to customer requirements


Transportation : Door to Door
Shipping can be DHL, UPS, TNT, EMS, Fedex, etc.
For large orders, they will be delivered by air or sea.   
 
Weight Package
<25KG By foil-alum bag/pap/bottle
≥25kg Package: 25kg/drum/bag or as your request
 
FAQ

Q1  Can i get some samples
A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2  How to start orders or make payments
A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.                Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q3  How to confirm the Product Quality before placing orders
A3  You can get free samples for some products,you only need to pay the shipping cost or arrange a          courier to us and take the samples. You can send us your product specifications and requests,we        will manufacture the products according to your requests.
Q4  What's your MOQ
A4  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5  How about delivery leadtime
A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6  Is there a discount
A6  Different quantity has different discount.
Q7  How do you treat quality complaint
A7  First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8  How to contact us
A9  You can chat with us by Trademanager,MSN&Skype Online.
       You can choose your interested products and send inquiry to us.
       You can dial our telephone directly or send Email to us., you will get our reply.